.pre_blog .content{
    width: 800px;
    margin:0 200px;
}


.pre_blog .content h1,
.pre_blog .content h2,
.pre_blog .content h3,
.pre_blog .content h4,
.pre_blog .content h5,
.pre_blog .content table,
.pre_blog .content pre {
    color: #454545;
    margin: 16px 0;
    line-height: 1.5;
}
.pre_blog .content p{
    color: #454545;
    margin: 8px 0;
    line-height: 1.8;
    font-size:16px;
}
.pre_blog .content ul,
.pre_blog .content ol {
    margin: 10px 0 10px 20px;
}
.pre_blog .content blockquote {
    display: block;
    border-left: 8px solid #d0e5f2;
    padding: 5px 10px;
    margin: 10px 0;
    line-height: 1.4;
    font-size: 100%;
    background-color: #f1f1f1;
}
.pre_blog .content code {
    display: inline-block;
    *display: inline;
    *zoom: 1;
    background-color: #f1f1f1;
    border-radius: 3px;
    padding: 3px 5px;
    margin: 0 3px;
}
.pre_blog .content pre code {
    display: block;
}
.pre_blog .content table {
    border-top: 1px solid #ccc;
    border-left: 1px solid #ccc;
}
.pre_blog .content table td,
.pre_blog .content table th {
    border-bottom: 1px solid #ccc;
    border-right: 1px solid #ccc;
    padding: 3px 5px;
}
.pre_blog .content table th {
    border-bottom: 2px solid #ccc;
    text-align: center;
}
.pre_blog .content:focus {
    outline: none;
}
.pre_blog .content img {
    cursor: pointer;
}
.pre_blog .content img:hover {
    box-shadow: 0 0 5px #333;
}

.wangEditor-drop-panel select{
    display: block;
}